It should set out the buyer's wish list: "I will buy this business if the following conditions are met. Discover how a real estate attorney can revise a standard Massachusetts Purchase and Sale Agreement to better protect both home buyers and sellers.1. Title the Document: Start with a clear and descriptive title such as "Business Bill of Sale" or "Business Sale Agreement." Whether you are buying or selling a business in Massachusetts, completing the transaction without the help of a business lawyer is extremely risky. The first thing to include in a purchase agreement are the full names of the buyer(s) and seller(s).